TERM EXAM - PRELIM Flashcards
Zonal classification of hepatocytes, important for
general detoxification mechanism and
biotransformation of drugs:
zone 3
FAB fragment
binds to antigen
Which is NOT a characteristic of an antibody
activates T-cell
Hepatocyte for drug detoxification?
pericentral
Increasing gastric acid secretion results to: A. Increase h, decrease na B. Increase h, normal na C. Increase h, increase k D. Increase h, increase na
A. Increase h, decrease na
During the next few days at high al+tude,
acclima+za+on occurs. the following are the
mechanisms that can cause a slow in increase in
ven+la+on. which is not occur?
a. pH of CSF decreases
b. spillage of bicarbonate to urine leading to
ACIDIC urine
b. spillage of bicarbonate to urine leading to
ACIDIC urine
What mechanism is caused by vagal s+mula+on
due to the smell of food?
Neural Mechanism
HCO3 secre+on by secre+n in pancrea+c duct —
via cAMP (Ach = Ca)
Specific protein uptake by hepatocyte @ BLM??
A fluid phase endocytosis (nonspecific)
B. absorp+ve endocytosis (nonspecific)
C receptor mediated endocytosis
D. cytoplasmic endocytosis
C receptor mediated endocytosis
Mechanisms of fluid and electrolytes secre+on in
Traveler’s Diarrhea
Ac+vated chloride channels
Which of the ff is true on the effect of aging on
the pulmonary system?
A. Decrease in collagen and elas+n support
causing atelectasis.
B. No failure in gas exchange
C. Dec in strength and endurance of respiratory
type 1 fibers
D. B and C
E. AOTA
??
Male pa+ent contracted Hepatitis B through
salivary chuchu. Hepatocellular dysfunction will
result to:
A. Low serum albumin
B. Low cholesterol
C. Low prothrombin +me
D. Low serum globulin
A. Low serum albumin
What cell produces IMMUNOGLOBULIN/
Antibody?
plasma cells
Which among the following reactive oxygen
species is the most reactive?
A. Hydrogen Peroxide
B. Superoxide Anion Radical
C. Hydroxyl radical
D. AOTA
C. Hydroxyl radical
emptying (solids) of stomach
A. Smooth muscle of proximal part
B. Smooth muscle of antral part
C. Smooth muscle of corpus
D. AOTA
B. Smooth muscle of antral part
emptying of solids- antral
emptying of liquids- proximal
True of defecation?
Hip flexure…
Migrating Motor Complex?
Fasting state
Major determinants of risk of DCS
A. Depth B. Time at depth C. Ascent rate D. Mul+ple dives E. AOTA
E. AOTA
Central inhibitor of acid secretion
Somatostatin
The ff substances are exclusively absorbed in the
duodenum.
a. Folate
b. Bile Acid
c. Iron
d. Calcium
c. Iron
Aganglionic-
hirschsprung
High altitude acclimatization
A. Higher pH B. Higher red cell count C. Increased Cardiac output at rest D. Higher pH and higher red cell count E. AOTA
E. AOTA
True of H/oligopeptide cotransport, except:
A. Also found in the renal proximal tubule
B. Also known as PepT1
C. Responsible for uptake of dipeptide-like amino
acids
D. No exceptions
D. No exceptions
PteGlu1 -
medicinal form of folate
UES -
highest pressure…..
Clonal proliferation occurs when receptor binds
to ..
T cells
Colon absorb:
a. Na Cl
b. K HCO3 (colon secrete)
c. HCO3 Na
d. Cl K
a. Na Cl
Cholelistasis
a. Disturbance of bile acid
b. Disturbance of cholesterol elimination
c. Both
c. Both
Gallbladder mainly composed of
Cholesterol
This accounts for 5% to 10% of gastric acid
secretion?
A. Intestinal phase
B. Gastric phase
C. Cephalic phase
D. All of the above
A. Intestinal phase
Astronaut first sign of loss of consciousness
Loss of color perception
Long term for climbers in high altitude
A. Rbc mass increase due to hypoxemia B. Volume C. Vascularity D. Express oxidative enzymes E. No exception
D. Express oxidative enzymes
Climbing the mountain
Inc pH, dec CO2
Secondary antibodies is better because
Stronger and faster
All but one except on the Flow of bile duct from
the common hepatic duct into gallbladder or into
upper duodenum?
A. Intraluminal __ of splenic flexure
B. Phasic contraction of sphincter of Oddi
C. 5-10 mmHg pressure of sphincter of Oddi &
pressure of duodenum over 0 mmHg…
D. Tone of gallbladder…?
C. 5-10 mmHg pressure of sphincter of Oddi &
pressure of duodenum over 0 mmHg…
Pathway of enzyme secretion, when Connie ate
her snacks: Chocolate, water, apple?
Chocolate has longer effect than apple and water
Sodium absorption by salivary duct cell?
- Parasympathetic stimulation
- Aldosterone
A. (1) decrease while (2) increase
B. (2) decrease while (1) increase
C. (1) & (2) increase
D. (1) and (2) decrease
A. (1) decrease while (2) increase
Regarding pancreatic acid secretion?
- Acinar cell
- Duct cell
2 IS GREATER THAN 1
Phase I enzyme:
Cytochrome P450