Which of these is a function of the small intestines? a. area for storing food t

Question

Which of these is a function of the small intestines? a. area for storing food to be digested b. kill bacteria c. chemical digestion of most biomolecules into monomers d. produce chyme e. all of these are functions Which of these is the correct order of flow through the urinary system? a. afferent arteriole-glomerulus-Bowman's capsule-proximal nephron tubule-loop of henle. distal tubule collecting duct-ureter-bladder- urethra c. efferent arteriole-glomerulus-Bowman's capsule-proximal nephron tubule-loop of henle- distal tubule- collecting duct- ureter-bladder. urethra d. afferent arteriole-Bowman's capsule-glomerulus proximal nephron tubule-loop of henle-distal tubule-collecting duct- ureter-bladder-urethra e. proximal tubule-descending limb - ascending limb glomerulus-afferent arteriole The _____ limb of the loop of Henle is impermeable to salt, and the _____ imbis impermeable to water. a. ascending, descending b. ascending, ascending c. descending, ascending d. descending, descending e. none of these Inhibition of the functions of the descending limb of the loop of Henle would cause: a. decreased Na^+ reabsorption b. increased Na^+ reabsorption c. decreased water reabsorption d. increased water reabsorption e. all of these The respiratory center is most sensitive towards the change in a. CO2 b. oxygen c. pH d. Sugar e. Both A and C The oxygen-saturation curve shifts to the _____ and _____ when pH drops and _____ rises. The functional unit of the kidney is the _____ The pneumotaxic center _____ the apnuestic center and _____ inspiration. The _____ tunic of the GI tract is highly vascularized and has many nerves and glands. The stomach churns food into a pasty material called _____.

Explanation / Answer

Ans 1 .C

(The small intestine digests three major classes of nutrients - proteins, lipids (fats) and carbohydrates)

Ans 2 .A

Ans 3 .C

The thin ascending limb is impermeable to water, but it is permeable to ions. Sodium (Na+), potassium (K+) and chloride (Cl) ions

Ans 4 .C

Ans 5 .A

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