6. A previously infertile couple wishes to have a pregnancy but the man produces non-motile sperm If it were possible to fertilize one of the woman's eggs by removing a sperm nucleus and injecting it into the egg, could this procedure ever produce viable offspring? Why or why not?

Q: What structures form from each of the three germ layers? Give specific examples.

A: There are three germ layers: ectoderm, mesoderm, and endoderm The ectoderm forms organs such as hair...

Q: Distinguish between unitary and multi unit smooth muscle structurally and functionally.

A: The muscular system is the organ system comprising the skeletal, cardiac, and smooth muscles, requir...

Q: 12. Name ONE HORMONE secreted by this endocrine gland. 12

A: Endocrine glands, which forms the major part of the endocrine system, are ductless glands and releas...

Q: Type-1 diabetes mellitus is: usually the result of abnormal target cell responsiveness usually th...

A: The maintenance of blood glucose levels in the body at all times is necessary because the cells use ...

Q: 5. What is hyperkalemia and what is the clinical term for its chronotropiceffect on the heart?

A: Hyperkalemia is the condition for excess calcium levels in the blood.

Q: describe the physiology behind Cardiac output.

A: Blood is the transport fluid that involves the transport of nutrients, oxygen, carbon dioxide to all...

Q: Generally, what is the result of the negative feedback process? Of positive feedbnack?

A: Positive feedback is where a change in the process will lead to a better result ie in a positive way...

Q: Which of these participates in costimulation? a. cytokinesb. complementc. antibodiesd. histaminee. n...

A: Introduction: A signaling pathway responsible for producing a response from the B and T-lymphocytes ...

Q: What is a division crew in analogy to a cell? In a cell what would be the division crew?

A: Analogy refers to comparing one thing with another that may not be related but play a similar functi...

Q: If David is given prednisone, a synthetic glucocorticoid, for a prolonged period of time, he may:   ...

A: Prednisone is an oral glucocorticoid medication used to decrease inflammation in patients with asthm...

Q: Blood vessels that carry blood away from the heart are called, (a) veins. (b) arterioles. (c) venule...

A: Blood vessels can be described as the conduits through which blood circulation occurs. The circulato...

Q: 4.Describe an action potential. What is required before an action potential is activated?

A: The human nervous system is the system which is responsible for maintaining the coordination among a...

Q: Which hormone requires a carrier protein to travel in the plasma? epinephrine glucagon thyro...

A: A hormone is a chemical messanger which is involved in the communication between cells and tissues t...

Q: 9. NAME ONE hormone secreted by this gland.

A: The endocrine system is the collection of glands that produce hormones that regulates metabolism, ti...

Q: How do rods hyperpolarize when light strikes them? How does this affect the firing rate of a ganglio...

A: The eye is one of the most complex paired sensory organs of the visual organ system. It helps in the...

Q: Which are types of Transmural Pressure?

A: The pressure difference across the intenal and external sides of a hollow structure is known as the ...

Q: Explain how the development of intramembranous bone differs from that of endochondral bone.

A: Intramembranous ossification involves the replacement of sheet-like connective tissue membranes with...

Q: List three types of noncoding RNA and describe theirfunctions.

A: Non-coding RNAs are defined as the ribonucleic acid molecules that are transcribed from the mammalia...

Q: Select the letter of the choice that best completes the statement. The accessory organs of the alime...

A: Digestion is the process, by which the larger food particles are broken down into smaller absorbable...

Q: what is hangman’s fracture

A: Every human being has got a skeleton. A skeleton not only protects the human body but also enables t...

Q: What is hemopoiesis?

A: Haemopoietic stem cells are present in the bone marrow and have the unique ability to give rise to a...

Q: List the natural defenses present in the eye.

A: The eyes are the ball-shaped, delicate organ located in the orbital sockets on either side of the fa...

Q: (a) Differentiate clearly between minute ventilation and alveolar ventilation rate. (b) Which provid...

A: Minute ventilation is the total amount of gas flowing into and out of the respiratory tract in one m...

Q: For a ballet dancer to stand on her toes, her feet musta. evert. c. plantar flex. e. abduct.b. inver...

A: A bone is a rigid organ that constitutes part of the vertebrate skeleton in animals. Bones protect t...

Q: An example of a sensory neuron is one that leads from a pain receptor in the finger to the spinal co...

A: Pain is one of the parameters that is perceived by our brain and spinal cord for the prevention of m...

Q: Label the following: Occipital bone * Temporal bone * Sphenoid bone * Maxilla * Mandible * External ...

A: Skull is a bone coverage for the head that protects the brain and gives a shape to the face

Q: 11. NAME ONE hormone secreted by this gland. 11

A: The thyroid gland is located on either side of trachea and are composed of follicles and stromal tis...

Q: What are the different structures that comprise a cell? Describe the different roles, functions, and...

A: Cells are defined as the basic structural and functional unit of all living organisms. These cells r...

Q: what are luschka’s joint? What is the clinical significance of these joint

A: Joints are junctions between bones, which provide freedom of movement at the site of the articulatio...

Q: B. In addition to its vital role in maintaining overall body homeostasis, which brain region synthes...

A: Homeostasis is defined as the ability to maintain a relatively stable internal state environment des...

Q: Choose the combination of answers that most accurately completes the statement. Which of the followi...

A: In all mammals, lymphoid tissues are present and are important for adaptive immunity. The formation ...

Q: Select the letter of the choice that best completes the statement. This structure contains 15 to 20 ...

A: The respiratory system is one of the important systems in the body that helps in the exchange of car...

Q: What portions of the brain and limbic system are involved with modulation of emotion?

A: Introduction: The region which has control over the emotion is the limbic region. The limbic region ...

Q: Which cells have a ruffled border andsecrete hydrochloric acid?a. C cellsb. osteocytesc. osteogenic ...

A: Bone is made up of connective tissue mainly collagen. The framework of bone is hardened by calcium, ...

Q: Where do B lymphocytes gain immunocompetence? lymph nodes red bone marrow thymus

A: An ability of the human body to develop immune response against an invading pathogens or foreign bod...

Q: 6. Which is slightly shorter in length due to the position of the liver? a. left lung b. right lung ...

A: The lungs are important organs of the respiratory system and also participate in water management by...

Q: What are the steps in fracture repair?

A: Bones are the rigid, living tissue of the body that gives structural support and helps in movement. ...

Q: Draw an oval representing a superior view of the calvaria?

A: The term calvaria refers to the top portion of the skull. A superior view of the calvaria resembles ...

Q: Explain how adrenal medulla stimulation potentiates (prolongs)the effects of the sympathetic divisio...

A: The adrenal medulla is the internal region of the adrenal gland. It consists of cells that release e...

Q: Our nervous system produces an inhibitory neurotransmitter that blocks the release of dopamine.  Ana...

A: Tetrahydrocannabinol (THC) riggers the nerve cells to release the signaling chemical substance refer...

Q: b. How can meningitis been diagnosed? c. What is encephalitis?

A: Meningitis is the medical condition in which the coverings of the brain and spinal cord or meninges ...

Q: Define epineurium

A: The peripheral nervous system (PNS) is composed of nerves that connect the peripheral organs to the ...

Q: Identify the primary function(s) of hyaline cartilage. Select all that apply. > View Available Hint(...

A: Introduction: Cartilage is a connective tissue comprising of cells (chondrocytes) and fibers (yellow...

Q: Select the letter of the choice that best completes the statement. Erythrocytes contain all but one ...

A: Erythrocytes are also known as red blood cells. They are enucleated cells which supply oxygen throug...

Q: What characteristics of a hormone receptor make itspecific for one type of hormone?

A: Hormones are chemical elements that influence another part of the body's activity, serve as messenge...

Q: Insulin stimulates _____________________ in the liver. gluconeogenesis glycogenolysis and glucone...

A: Insulin is a peptide hormone which is secreted from pancreatic cells and regulates the glucose metab...

Q: An average adult inhales a volume of 0.50 X 10-3 m3 of air with each breath. If the air is warmed fr...

A: The respiratory rate of an individual is based on residual volume(amount of air left in the lungs), ...

Q: Did exercise cause the force of pulse to increase or decrease?

A: Typically speaking, during exercise, the heart beats faster and more robust to increase cardiac outp...

Q: Where are hormone receptors located in target cells?Name one hormone that employs each receptor loca...

A: In the vertebrate organisms, a hormone is a member of a class of signalling molecules transferred to...

Q: Rising sarcoplasmic calcium levels results in contraction in both smooth muscle fibers and skeletal ...

A: Muscle is a soft tissue that contains protein filaments that help in the contraction and provide mot...