Medsci 142 exam - Study guides, Class notes & Summaries

Medsci 142 MCQs Exam Questions With Correct Answers A fall in blood pressure results in decreased sympathetic nerve activity. decreased vascular resistance. increased vagal nerve activity. an increase in afterload on the heart. a decrease in afferent baroreceptor nerve firing. - answera decrease in afferent baroreceptor nerve firing. Cardiac output refers to the heart rate multiplied by the total peripheral resistance strength of the contraction by the left ventricle volume of blood ...

MEDSCI 142 – Renal Exam Questions With Correct Answers Concerning the renal corpuscles: a) the capsular space feeds directly into the distal convoluted tubule b) the glomerular filter is made up of the following: capillary endothelial cells, basement membrane, outer capsule c) the capillary endothelial cells are called podocytes d) the renal corpuscles are all located in the medulla of the kidney e) the endothelium of the glomerular capillaries contains pores - answera - no, the ascend...

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...

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 – Reproduction Exam Questions With Correct Answers What is the principal androgen? - answertestosterone What is the glycoprotein layer between the oocyte and the granulosa cells of an ovarian follicle called? - answerzona pellucida The oogenesis begins in females when? - answerbefore birth Where are the secretory cells of an ovarian follicle located? - answertheca interna During the menstrual cycle, the endometrium would be at its thickest when? - answerlate in the postovula...

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...

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...