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Physiology Lecture Final!!! > Test #3 > Flashcards

Test #3 Flashcards

1
Q

This hormone is called a mineralcorticoid because it helps regulate the concentration of mineral elecrolytes, such as sodium and potassium ions.

A

Aldosterone

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2
Q

Ca+2 is required during coagulation in the

A

Common pathway
Intrinsic Pathway
Extrinsic Pathway

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3
Q

Which hormone is released in response to low levels of calcium in the bloodstream?

A

PTH

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4
Q

Which is involved for the extrinsic pathway of blood clotting?

A

a. Tissue factor III
b. Tissue damage
c. Ca+2

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5
Q

Gonadotropin releasing hormone stimulates the release of which of the following from the anterior pituitary?

A

Follicle stimulating hormone

Luteinizing hormone

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6
Q

Which of the following changes in plasma levels would be observed in a primary hyposecretion of cortisol?

A

Increased CRH, increased ACTH, and decreased cortisol

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7
Q

An individual with bulging eyes (exophthalmos) may

A

Be secreting excessive thyroid hormone

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8
Q

Blood clots are primarily made of a protein called_______

A

Fibrin

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9
Q

One major target of antidiuretic hormone is

A

The kidneys

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10
Q

Which of the following hormones targets the anterior pituitary?

A

GHIH

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11
Q

Spermatogenesis is directly stimulated by

A

Both LH and testosterone

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12
Q

Which of the following hormones affects fluid and blood volume?

A

Aldosterone

Vasopressin

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13
Q
  1. Insulin is secreted by the ______ cells of the ______.
A

Beta; pancreas

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14
Q

Steroid and thyroid hormones have receptors that are located ______ of the target cell.

A

In the ICF or

In the Nuleus

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15
Q

What is the function of plasmin?

A

Dissolve blood clots

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16
Q

If an individual takes large amounts to testosterone for a period of time, which of the following hormones would you expect to find in decreased concentration in the blood?

A

a. Gonadotropin releasing hormone
b. Luteinizing hormone
c. Follicle stimulating hormone

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17
Q

Chronic hypersecretion of a hormone can lead to _______ the receptor for that chemical messenger on the target cell.

A

Down regulation of

Hypo responsiveness of

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18
Q

Which disorder represents a hyposecretion disorder?

A

Addisons disease

Diabetes insipidus

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19
Q

Which of the listed signal transduction mechanisms could not be initiated with a water-soluble chemical messenger?

A

Gene activation

20
Q

Place the following stages of hemostasis in order

  1. Platlet plug formation
  2. Coagulation
  3. Fibrinolysis
  4. Clot retraction
  5. Vasoconstriction
A 
5,1,2,4,3
Vasoconstriction
Platlet plug formation
Coagulation
Clot retraction
Fibrinolysis
21
Q

Diabetes mellitus is a disease that involves insulin and how it affects the body. Which of the following statements correctly describes the differences between type I and type II diabetes mellitus?

A

People with type 2 are most often diagnosed during adulthood while type 1 is diagnosed early in life

22
Q

Which of the following hormones is not released from the adrenal gland?

A

Somatotropin

23
Q

Choose the targets for vasopressin

A

Kidneys

Blood vessels

24
Q

Choose the signal transduction mechanism used by ACH to initiate skeletal muscle contraction

A

Gene activation

25
Q

Gluconeogenesis may be stimulated by which of the following hormones?

A

Glucagon

Cortisol

26
Q

A person is diagnosed with hypothyroidism and his T3 T4 TSH and TRH all measure lower than normal values. What is the most likely diagnosis?

A

Tertiary hypo thyroidism

27
Q

What controls oxytocin release?

A

Hypothalamus action potentials

28
Q

A peptide hormone that is responsible for stimulating sperm development by the testis is:

A

Follicle stimulating hormone

29
Q

Which phase of the general adaptation syndrome includes elevated levels of cortisol and aldosterone?

A

Resistance phase

30
Q

What triggers erythropoietin release?

A

Decreased blood oxygen levels

31
Q

Choose the enzyme that begins the common pathway of coagulation

A

Prothrominase

32
Q

Synthesis of red blood cells is called _____ and occurs in the ______

A

Erythropoiesis: bone marrow

33
Q

What is defined as a decrease in the oxygen-carrying capacity of blood?

A

Anemia

34
Q

_______ inhibits the release of glucagon

A

high plasma glucose

35
Q

Prolactin releasing hormone (PRH) is produced in the

A

Hypothalamus

36
Q

Aldosterone stimulates

A

Na+ reabsorption

K+ secretion

37
Q

All hormones must be bound to a carrier/escort protein in the blood plasma in order to travel to target cells

A

False

38
Q

Regulation of insulin release by blood glucose levels is an example of humoral control of hormone secretion.

A

True

39
Q

Insulin receptors are located on plasma membranes

A

True

40
Q

A tumor stimulating over secretion of hormones by the parathyroid gland would cause plasma Ca 2+ to increase.

A

True

41
Q

Dopamine is released from the hypothalamus and the adrenal cortex

A

False

42
Q

Women have more erythrocytes than men due to higher levels of estrogen

A

False

43
Q

Androgen insensitivity represents a hypo secretion disorder

A

False

44
Q

The signal transduction mechanism used for steroid hormones is initiated with a tyrosine kinase receptor

A

False

45
Q

One consequence of stress-induced cortisol secretion is hypertension.

A

True

Physiology Lecture Final!!! (4 decks)

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