This mechanism is the main regulator of water intake:
A) Thirst
The capillary endothelium separates these two body fluid compartments
B) plasma and interstitial fluid
Intracellular fluid:
A) has a lower concentration of sodium ions than extracellular fluid
A decrease in blood pressure has this effect:
A) results in increased aldosterone secretion
These statements about the secretion of atrial natiuretic hormone (ANH) are true except:
B) decreases water loss
The following are electrolytes except:
D) H2O
An increase in the ECF Na levels would cause
A) water to shift out the ICF and into the ECF
ECF calcium levels are mainly regulated by this hormone:
B) parathyroid hormone
85% if phosphate in the body is found in the form of Calcium phosphate salt in the bones and teeth.
T/F
true
Aldosterone secretion from the adrenal cortex is stimulated by angiotensin II and this:
C) elevated K ion levels
This statement best describes and acid:
D) releases H when dissociates
Respiratory regulation of pH depends upon this mechanism:
B) carbonic acid/bicarbonate buffer system
An increase in blood carbon dioxide levels is followed by a(n) ___ in H and a(n)___ in blood pH
D) increase, decrease
If the pH of the blood decreases, the pH of the urine will:
B) decrease
Hyperventilation can cause:
D) respiratory alkalosis
Excess glucose in the body following a meal can be stored in the liver as this:
C) glycogen
About 99% of the body's energy storage in the form of this:
E) lipids
This statement best describes ammonia:
B) converted into urea in the liver
Excess glucose after a meal will first form glycogen in this process:
A) glycogenesis
This person would mostly likely have a decreased BMR
A) a starving person
Loss of a large volume of sweat results in the body fluid becoming ___ which causes ___ plasma volume
D) hypertonic, a decrease
This best describes a diuretic:
B) a substance that causes increased urine production
The reaction between CO2 and H2O is catalyzed by this:
C) carbonic anhydrase
This substance is necessary for the transport of Ca ions across the wall of the intestinal tract:
E) Vitamin D
People on strict diets or that have Type I diabetes may check their urine periodically for ketones. Excessive production of ketones in the urine may indicate this:
D) excessive lipid metabolism
Swiftly Trotts has an Escherichia coli (E. coli) infection that produces severe diarrhea and causes metabolic acidosis. The following effects are observed:
