1.A patient comes into the ER who has just rapidly lost 30% of his blood volume. Which of the following would you predict? A)Baroreceptor afferent activity (firing rate) would be above normal. B)Blood pressure would be above normal. C)Plasma vasopressin would be above normal. D)Plasma angiotensin II would be below normal. E)Atrial "B" fiber activity (firing rate) would be above normal.
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1.A patient comes into the ER who has just rapidly lost 30% of his blood
volume. Which of the following would you predict?
A)Baroreceptor afferent activity (firing rate) would be above normal.
B)Blood pressure would be above normal.
C)Plasma vasopressin would be above normal.
D)Plasma angiotensin II would be below normal.
E)Atrial "B" fiber activity (firing rate) would be above normal.
Step by step
Solved in 2 steps
- 7. The P-Wave in the electrocardiogram... A)Gives information about the oxygenation content of the blood B)Happens when the semilunar valves are closed C)Can give information about how much blood is pumped out D)Represents atrial contraction E)Two of these options are correct2) Hemorrhage with a large loss of blood causes A) increase in blood pressure (B) decrease in blood pressure C) no change in blood pressure D) no change in in cardiac output E.) Both C & D10. An EKG with a higher QRS complex than normal... A)None of these are true B)Must mean that the end diastolic volume is higher C)Must mean that the ventricular contraction is stronger than normal D)Must mean that the person is exercising and innervating more cardiomyocytes E)Must mean that atrial repolarization is smaller than usual so we see more ventricular repolarization
- 1) Which of the following best describes the mechanism of action of a cardiac glycoside? A) Strengthens ventricular contraction B) Inhibits sodium production C) Vasoconstriction D) Inhibits cholesterol formation 2) If sodium is excreted, so is _________________________. A) Glycogen B) Calcium C) Water D) Protein 3) Which of the following best describes the action of a loop diuretic? A) Inhibits potassium reabsorption in the distal tubule B) Inhibits sodium reabsorption in the proximal tubule C) Inhibits sodium reabsorption in the loop of Henle D) Inhibits water secretion in the loop of Henle120 Autoregulation of blood flow to an organ depends on reactive changes in which of the following? A) Blood viscosity B) Capillary recruitment C) Cardiac output D) Perfusion pressure E) Vascular resistance4) Identify three positions of the patient to obtain a BP. 7) What problems can result from high blood pressure Or (HYPERTENSION)? 9) What IS the effect of exercise on BP? How does the body benefit from this change in BP during exercise? 10) How would the BP of an anxious patient visiting a doctor be different than if the patient is calm? 11) In atherosclerosis, plaque builds up inside the arteries. How would this affect BP? Is this an example of hypertension or hypotension? Heart, artery, red blood cell, ventricle, capillary, plasma, vein, white blood cell, platelets (a) Which of these structures (i) Can destroy bacteria?................................................................................. (ii) Carries carbon dioxide. .................................................................................. (iii) Pumps blood around the body?..................................................................... (iv) Carries blood to organs.…
- 16) In what situation would a beta blocker be INDICATED? A) Hypertension B) Hypotension C) Bradycardia D) Both A and C40 Which of the following is the most likely effect of a 50% decrease in impulse conduction velocity through the atrioventricular node? A) A 50% decrease in heart rate B) Increased PP interval on an ECG C) Increased PR interval on an ECG D) Increased splitting of S₂ on inspiration E) Prolonged duration of the QRS interval on an ECG3) which of the following would increase the relase of erythropoietin by the kidneys? A) all of these answers would cause an increase in erythropoietin release s B) decrease in red blood cells only C) decreased oxygen availability only D) hypoxia due to a decrease in red blood cells only F) increased tissue demand for oxygen only
- Peripheral resistance is governed by: a) Vascular smooth muscle contraction and relaxation b) Arteriole diameter c) Neural/hormonal signaling d) All of the above e) None of the above1. Which of the following classes of drugs would NOT be expected to reduce blood pressure? a.)B-adrenoceptor agonists b.)ACE inhibitors c.)Angiotensin II antagonists d.)Aldosterone antagonistsAtrial natriuretic peptide is a hormone that is made in the atria of the heart . The influence of this hormone is to____ a) prevent pH changes caused by organic acids b) increase secretion of potassium d ) enhance atrial contraction e ) lower blood pressure by inhibiting sodium water retention