HTHSCI 1H06 Sample Midyear Exam F2023 (without answers)

Name____________________ McMaster Student Number__________________ Page 1 of XX Site (please check one):  Conestoga /  McMaster /  Mohawk HTHSCI 1H06A *** SAMPLE MIDYEAR EXAM *** Human Anatomy and Physiology Instructor: Dr. Peter Helli DAY CLASS DURATION OF EXAMINATION: 2 Hours MCMASTER UNIVERSITY MIDYEAR EXAMINATION December 2023 THIS EXAMINATION PAPER INCLUDES XX PAGES AND 75 QUESTIONS WORTH A TOTAL OF 90 MARKS . YOU ARE RESPONSIBLE FOR ENSURING THAT YOUR COPY OF THE PAPER IS COMPLETE. BRING ANY DISCREPANCY TO THE ATTENTION OF YOUR INVIGILATOR. SPECIAL INSTRUCTIONS: PLEASE WRITE YOUR NAME AND STUDENT NUMBER ON EVERY PAGE. PLEASE NOTE THAT THERE IS ONLY ONE VERSION OF THIS EXAM THIS EXAMINATION HAS TWO (2) SECTIONS. 1. SECTION A CONTAINS MULTIPLE CHOICE QUESTIONS THAT MUST BE ANSWERED USING AN OPTICAL MARK RECOGNITION (OMR) ANSWER SHEET. DETAILED INSTRUCTIONS FOR FILLING OUT AN OMR SHEET CAN BE FOUND ON PAGE 2. PLEASE LEAVE THE VERSION COLUMN ON THE OMR (SCANTRON) SHEET BLANK. 2. SECTION B CONTAINS FIGURE QUESTIONS THAT ARE TO BE ANSWERED IN THE SPACES PROVIDED ON THE EXAM PAPER. THE EXAM PAPER AND THE OMR SHEET MUST BE HANDED IN AT THE END OF THE EXAMINATION.

Name____________________ McMaster Student Number__________________ Page 2 of XX OMR EXAMINATION - STUDENT INSTRUCTIONS NOTE: IT IS YOUR RESPONSIBILITY TO ENSURE THAT THE ANSWER SHEET IS PROPERLY COMPLETED: YOUR EXAMINATION RESULT DEPENDS UPON PROPER ATTENTION TO THESE INSTRUCTIONS. The scanner, which reads the sheets, senses the shaded areas by their non-reflection of light. A heavy mark must be made, completely filling the circular bubble, with an HB pencil. Marks made with a pen or felt-tip marker will NOT be sensed. Erasures must be thorough, or the scanner may still sense a mark. Do NOT use correction fluid on the sheets. Do NOT put any unnecessary marks or writing on the sheet. 1. On side 1 (red side) of the form, in the top box, in pencil, print your student number (NOTE: 9 digits) , name, course name, instructor name and date in the spaces provided. Then you MUST sign in the space marked SIGNATURE. 2. To indicate your answers, mark only ONE choice from the alternatives (1,2,3,4,5 or a,b,c,d,e) provided for each question. The question number is to the left of the bubbles. Make sure that the number of the question on the scan sheet is the same as the question number on the test paper. 3. Pay particular attention to the Marking Directions on the form. 4. Begin answering questions using the first set of bubbles, marked "1".

Name____________________ McMaster Student Number__________________ Page 3 of XX SECTION A (Maximum of 66 marks) ALL QUESTIONS IN THIS SECTION ARE TO BE ANSWERED ON THE OMR (SCANTRON) SHEET. (Each question is worth 1 mark) THERE IS ONLY ONE CORRECT ANSWER. CHOOSE THE BEST ANSWER. 1. Which section plane that divides the body into superior and inferior halves? A) Sagittal plane B) Coronal plane C) Transverse plane D) Frontal plane Something, something, something... 2. Which cranial nerve is MOST responsible for closing the eyelids? A) Optic nerve (CN II) B) Oculomotor nerve (CN III) C) Facial nerve (CN VII) D) Trigeminal nerve (CN V) 3. In the ear, midrange frequencies are detected by which structure? A) The basilar membrane B) The vestibular membrane C) The middle of the spiral organ D) The tectorial membrane 4. Which structure do bacteria and viruses travel through to cause a middle ear infection? A) External auditory meatus B) Tympanic membrane C) Auditory tube D) Mastoid air cells 5. Which of the following structures is LEAST involved in hearing? A) Vestibulocochlear nerve B) Spiral organ C) Semicircular canals D) Ossicles

Name____________________ McMaster Student Number__________________ Page 4 of XX 6. How does the thoracic spinal cord differ from other sections of the spinal cord? A) It contains dorsal grey matter B) It contains lateral grey matter C) It contains lateral white matter D) It contains dorsal white matter 7. Afferent information for pain and temperature sensations: A) Enter the spinal cord by the ventral root of a spinal nerve B) Synapse with neurons in the ventral grey horn of the spinal cord C) Cross over in the brainstem at the level of the medulla oblongata D) Are conveyed to the brainstem, thalamus, and postcentral gyrus 8. Proprioceptive information travels up which two white matter tracts of the spinal cord? A) Dorsal columns and spinocerebellar tracts B) Corticospinal and spinocerebellar tracts C) Dorsal columns and spinothalamic tracts D) Spinothalamic and spinocerebellar tracts 9. A 19-year-old suffers a penetrating injury that has severed the left half of the spinal cord at the T6 level. Which deficit would you expect the patient to experience? A) Spastic paralysis of muscles in the right lower limb B) Atrophy and hyporeflexia in the muscles of the left lower limb C) Loss of touch and pressure sensations below the lesion on the right-hand side D) Loss of pain and temperature sensations below the lesion on the right-hand side 10. A lesion to the lateral corticospinal tracts would be accompanied by which clinical sign? A) Hyporeflexia B) Muscle atrophy C) Positive Babinski sign D) Flaccid paralysis 11. Paresis in the T5 myotome that is NOT accompanied by sensory loss in the same dermatome is likely due to damage to what structure? A) T5 ventral spinal root B) T5 mixed spinal nerve C) T5 dorsal root ganglion D) T5 ventral ramus 12. A patient presents with loss of sensation in the distribution of the musculocutaneous nerve but has no difficulties in elbow flexion. Where is the lesion located? A) Upper roots of the brachial plexus B) Lower roots of the brachial plexus C) Musculocutaneous nerve at the elbow D) Musculocutaneous nerve at the axilla

Name____________________ McMaster Student Number__________________ Page 5 of XX 13. Upper motor neurons are present in all the following structures, EXCEPT the: A) Precentral gyrus of the cortex B) Cerebral peduncles of the midbrain C) Pyramidal tracts of the medulla D) Ventral motor root of the spinal cord 14. Different types of connective tissue contain different types of cells. Which is the predominant cell type found in mature, compact bone? A) Chondrocytes B) Osteocytes C) Osteoblasts D) Osteoclasts 15. Which of the following statements concerning a synovial joint is INCORRECT? A) The joint capsule spans the joint and is continuous with the periosteum of the bone. B) Synovial joints have the greatest mobility but at the same time are the least stable. C) The ends of the bones contained within the joint are completely ossified. D) A meniscus (articular disc) helps improve the fit of two bones with different shapes. 16. How would a bone fracture that results in multiple splintered segments of bone that pierce the skin be classified? A) Simple compression fracture B) Compound comminuted fracture C) Simple greensick fracture D) Compound spiral fracture 17. Which type of joint is formed between the radius and humerus and allows for supination / pronation of the forearm? A) Ball and socket joint B) Hinge joint C) Pivot joint D) Condyloid joint 18. When does contraction (force generation) in skeletal muscle begin? A) When acetylcholine binds to ligand gated ion channels on the motor end plate B) When sodium ions enter through voltage gated ion channels on the muscle fiber C) When an action potential travels down the t-tubules of the muscle fiber D) When calcium is released from the sarcoplasmic reticulum of the muscle fiber