An increase in percentage of water vapor in the air would cause the partial pressure of oxygen to:
Decrease
Which of the muscles are important in forced respiration?
External intercostals and sternocleidomastoid
The _____ is lined with mucosa to remove particulates from the respiratory tract
Conducting zone and respiratory zone
Restrictive disorders reduce:
Compliance, distensibility, and vital capacity
Compliance is the tendency of the lungs to _____ and is necessary for ______
Expand, inspiration
Surfactant produced by _____ prevents the alveoli from collapsing during expiration
Type II alveolar cells
The _____ attaches to the vocal folds and swivels to regulate their tension
Arytenoid cartilage
The total lung volume includes the vital capacity and _____.
Residual volume
Hemoglobin saturation increases as a result of which of the following?
Increasing pH
An increase in pCO2 will result in _____ dissociation of oxygen from hemoglobin
Increased
Digestion
The area of most abundant true goblet cells is:
Colon
Which of the following inhibits stomach secretion and motility while simultaneously stimulating bile release, pancreatic enzyme release, and relaxation of the sphincter of Oddi?
CCK
Amino acids are absorbed into mucosal cells principally by:
Active co-transport
Negative feedback on stomach secretin and motility as acid chime reaches the duodenum results from the secretion into the bloodstream of:
GIP
The lining of the esophagus is:
Pseudostratified columnar epithelium
Peyer�s patches are lymph nodules found mostly in the:
Ileum
Which of the following is a brush border enzyme?
Maltase
Pepsinogen is secreted by:
Chief cells located only in the stomach
The pyloric sphincter is forcefully constricted and other stomach muscle inhibited by:
Enterogastric reflex
The hierarchy of enzyme function ______ must act before ____ can act
Typsin before aminopeptidase
The ____ stimulates gastric secretion during the cephalic phase and as a result of physical contact in the stomach
Vagus nerve
Three distinct bands of longitudinal smooth muscle are found in the:
Colon
The upper third of the esophagus has:
Skeletal muscle only
____ is/are responsible for emulsifying fats
Bile salts
Absorption of water occurs mostly in the:
Small intestines
Three distinct layers of smooth muscle are found in the:
Stomach
If you see villi and goblet cells you are looking at the:
Small intestines
Positive feedback on stomach secretion and motility as acid chime reaches the pylorus results from the secretion into the bloodstream of:
Gastrin
Which of the following is/are true sphincters?
Pyloric and ileocecal sphincters
The ____ has Brunner�s glands which secrete an acid-neutralizing mucus
Hypersecretion of insulin occurs in:
Diabetes Type II and reactive hypoglycemia
(T/F) Fats are lipolyzed to glycerol and fatty acids when glycogen stores begin to run low
True
The primary hormone in the absorptive phase of glycemic regulation is:
Insulin
(T/F) Fats are readily converted to glucose when glycogen stores run low
False
The hormone which stimulates lipolysis is:
Epinephrine and glucagon
An excessive amount of ___ can cause hypoglycemia
Insulin
Deamination results in molecules of ____ which are exceted through the kidneys
Urea
Management of diabetes Type I is through:
Administration of insulin
Diabetes type I results from damage to the ___ pancreatic islet cells which secrete insufficient amounts of _____.
Beta, insulin
The hormone which stimulates glucose synthesis from amino acids during severe stress conditions is:
Cortisol
Most reabsorbed substances enter the interstitial fluid and the ______:
Peritubular capillaries
The hormone instrumental in facultative absorption of water is:
ADH
In the countercurrent exchange of salt, NaCl is taken fro the medulla into the _____ only to be returned to the medulla from the _____:
Descending limb of the vasa recta, ascending limb of the vasa recta
Most reabsorption of water occurs from the:
Proximal convoluted tubule
Deficient secretion of ____ produces diabetes insipidus
ADH
Stimulation by the sympathetic nervous system causes _____ of the ______.
Vasoconstriction, afferent arteriole
Aldosterone-controlled salt reabsorption occurs from the:
Distal convoluted tubule
The _____ is lined completely with transitional epithelium for stretchability.
Urinary bladder
In response to direct stimuli by the macula densa cells the:
Afferent arteriole vasodilates and the efferent arteriole vasoconstricts
The substance produced in response to renin which causes vasoconstriction in the efferent arteriole and arterioles is:
Angiotensin II
Which of the following is a normal constituent of urine:
Urea
The substance ____ is released by the juxtaglomerular cells when stimulated by the macula densa.
Renin
When large amounts of acid must be secreted the H+ are neutralized with amines and made into:
Ammonium ions
The cells which sense flow rate and salt concentration in the distal convoluted tubule are the:
Macula densa cells
The process of secretion occurs in all the following except:
The loop of Henle
Cortical blood vessels served by the efferent arteriole are the:
Peritubular capillaries
Facultative water reabsorption occurs from the:
Collecting tube
The hormone, also known as vasopressin, which produces arteriole vasoconstriction when secreted in response to reduced blood volume is:
ADH
Most reabsorption of glucose occurs from the:
Proximal convoluted tubule
The ____ lead directly to the afferent arterioles.
Interlobular arteries
Co-active transport is instrumental in the reabsorption of:
Glucose
The blood vessels leading directly to the glomerulus are the:
Afferent arterioles
Most reabsorption of glucose occurs from the:
Proximal convoluted tubule
When the blood is not acidic the most common cation secreted is:
K+
The inner medulla is very _____ due to the countercurrent exchange of salt.
Hypertonic
Direct myogenic response to increased blood pressure produces ____ in the _____.
Vasodilation, afferent arterioles
ACTH stimulates the release of all of the following except:
Testosterone and epinephrine
Which of the following hormones is produced by neurons origination in the hypothalamus:
Oxytocin and ADH
Secretion of PTH is triggered by:
Decreased plasma calcium levels
Releasing and inhibition hormones from the hypothalamus control hormones released from the:
Adenohypophysis
The hormone which responds to infant sucking to produce continued milk after birth is:
Prolactin and oxytocin
Acromegly is a disorder associated with hypersecretion of:
GH
Which of the following stimulates protein synthesis along with both carbohydrate and fat catabolism?
GH
A decrease in plasma calcium levels triggers the secretion of:
PTH
The hormone which stimulates contration of uterin smooth muscle to produce labor is:
Oxytocin
Which of the following g is NOT a cland controlled directly by plasma substrate levels:
Thyroid follicular cells (Islets of Langerhans, thyroid parafollicular cells, and parathyroid gland all controlled by substrate levels)
Reproduction/Endocrine
The ____ is directly stimulated by plasma levels of substrate.