Medsci 142 - Study guides, Class notes & Summaries

MEDSCI 142 - Respiratory Physiology Exam Questions With Correct Answers Tidal volume is always: a) greater than zero and less that total lung capacity b) greater than residual volume c) greater than functional residual capacity d) greater than residual capacity and less than total lung capacity e) all options are correct - answera - correct; tidal volume is the amount you breathe in and out when relaxed so is less than maximum but more than zero b - no; we cant measure residual volume s...

What is the double meaning of bone? - Answer Bone the organ ; bone the tissue What are the 6 functions of bone? - Answer Support, Protection, Calcium/Phosphorus reserve, Movement, Fat storage, Haemopoiesis How is movement produced? - Answer By pulling on the bone How much of the body's calcium is stored in bone? What is the purpose of this reserve? - Answer 99% ; can draw from it or add to it, i.e. a reserve What type of bone marrow is involved in the Haemopoiesis func...

Medsci 142: Cardiovascular Exam Questions With Correct Answers Pulmonary circuit - answerPart of cardiovascular system between RA and RV and LV and LA via the lungs. Smaller circuit of medium pressure and low blood volume (9%) Systemic circuit - answerPart of cardiovascular system between LV and LA and RA and RV via various body systems including the gut, liver, kidneys, brain and limbs. Large circuit of high blood volume (84%) and high pressure Artery - answerA vessel which takes blood a...

MEDSCI 142 STUDY GUIDE. Gyrus - answerfolds of the cortical region Fissures - answerdeepest grooves between folds Sulcus - answershallower grooves between folds Longitudinal fissure - answerdivides the cerebrum into right and left cerebral hemispheres Corpus Callosum - answerband of white matter connecting hemispheres Frontal, Parietal, Occipital, Temporal - answerlobes of the cerebrum Central Sulcus - answerseparates frontal lobe from parietal lobe Precentral Gyrus - answerlocated immed...

dermatome - Answer area which each nerve from the spinal cord goes to how many dermatomes? - Answer 30. despite 31 pairs as C1 doesn't reach the skin. discriminative sensation - Answer touch and pressure sensations. from the peripheral receptors they are myelinated by swhann cells. travel 50ms-1. From an "onion" of connective tissue". Travel past root ganglion (containing cell body) and divide to brain and spinal cord. meissner corpuscle discriminative - Answer n...

Primary motor cortex - Answer Part of the brain that controls movement of muscles. Pre-central - Answer The primary motor cortex is found at the _______ gyrus, in both hemispheres. Primary somatosensory cortex - Answer Part of the brain involved in sensations of touch, pressure, pain and temperature (on the skin). Post-central - Answer The primary somatosensory cortex is located at the ______ gyrus, in both hemispheres. Primary visual cortex - Answer Part of the brai...

Progesterone estrogen HCG corpus luteum - Answer In a female with a normal hormonal cycle, if fertilisation and implantation do not occur, the levels of (a) .................................................. and (b) .................................................. fall, resulting in loss of the endometrial lining. Upon fertilisation, to prevent the loss of the endometrial lining, the developing offspring secretes large amounts of (c) .................................................... ...

Medsci 142-Neurons Exam Questions With Correct Answers Epithalamus - answerA small region superior and posterior to the thalamus. Consists of the pineal gland and habenular nuclei. Pineal Gland - answerAbout the size of a pea. Located in the epithalamus. Protrudes from the posterior midline of the third ventricle . Part of the endocrine system because it secretes the hormone melatonin (hormone for signalling sleep). Habenuclear Nuclei - answerInvolved in olfaction, especially emotional re...

what are the 3 bones of the pelvis from superior to inferior? - Answer ilium, ischium, and pubis what is meant by flexion? - Answer decrease in joint angle what is meant by extension? - Answer increase in joint angle how is the fibula attached to the tibiotarsus in the chicken leg? - Answer it is attached near the knee joint and has no attachment distally i.e. movable in what view is the fibula visible? - Answer the lateral view only how does the thigh of the chicke...