Answer the following statements true (T) or false (F)
1. About one third of the heart lies to the left of the midline of the sternum.
2. The blunt point of the heart is called the apex of the heart.
3. The septum, which divides the upper chambers of the heart into right and left sides, is called the interventricular septum.
4. The parietal pericardium is also called the epicardium.
5. One of the functions of the pericardium is to reduce the friction created by the beating heart.
1. FALSE
2. TRUE
3. FALSE
4. FALSE
5. TRUE
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You're going hiking and want to pack emergency food in case you get lost or the hike takes longer than you anticipate. Your goal is to pack a food that will have the biggest increase on your blood glucose level to be able to supply your hiking muscles with glucose for cellular respiration. Which of the following foods will lead to the biggest and most immediate increase in blood glucose?
A. A snack rich in cellulose, such as a bag of celery B. A snack rich in lipids, such as slices of cheese C. A snack rich in protein, such as a dried meat stick D. All of these will have equal impacts on blood glucose level E. A snack rich in digestible polysaccharides such as a cooked potato
Which autonomic plexus consists of postganglionic sympathetic axons that come off the cervical and thoracic sympathetic trunk ganglia, as well as preganglionic axons from the vagus nerve?
A. Esophageal plexus B. Pulmonary plexus C. Abdominal aortic plexus D. Hypogastric plexus E. Cardiac plexus
Matching
A) Addison's disease B) Dehydration C) Edema D) Aldosterone E) Hyponatremia 11) An atypical accumulation of fluid in the interstitial space. 12) Fluid loss, either the loss of water or the loss of water and solutes together. 13) A disorder entailing deficient aldosterone production by the adrenal cortex. 14) Regulates sodium ion concentrations in the extracellular fluid. 15) A condition due to excessive water intake that results in net osmosis into tissue cells. This leads to severe metabolic disturbances.
Which of these hormones prods the thyroid gland to release thyroxine?
A) follicle-stimulating hormone (FSH) B) adrenocorticotropic hormone (ACTH) C) gonadotropic hormones D) thyroid-stimulating hormone (TSH) E) luteinizing hormone (LH)