Quiz 25

A 70-year-old man presents with a severe nosebleed. His medical history includes COPD, depression, and a hemorrhagic stroke 3 years ago. His BP is 190/110 mm Hg, his pulse is 100 beats/min, and his respirations are 24 breaths/min. His medications include albuterol, sertraline (Zoloft), and multivitamins. Which of the following is MOST likely causing his nosebleed today? Select one: a. High blood pressure b. Diabetic complications c. His prescribed albuterol d. Hemorrhagic stroke

a. High blood pressure

Which of the following occurs after tissues are injured? Select one: a. Platelets collect at the injury site b. Red blood cells separate from plasma c. Local blood vessels begin to dilate d. Red blood cells become less sticky

a. Platelets collect at the injury site

The smaller vessels that carry blood away from the heart and connect the arteries to the capillaries are called the: Select one: a. venules. b. arterioles. c. capillary arteries. d. venacavae.

b. arterioles.

An organ or tissue may be better able to resist damage from hypoperfusion if the: Select one: a. heart rate is maintained at more than 100 beats/min. b. body's temperature is considerably less than 98.6°F (37.0°C). c. body's demand for oxygen is markedly increased. d. systolic arterial blood pressure is at least 60 mm Hg.

b. body's temperature is considerably less than 98.6°F (37.0°C).

In nontrauma patients, an early indicator of internal bleeding is: Select one: a. a rapid, thready pulse. b. dizziness upon standing. c. rapid, shallow breathing. d. a decreasing blood pressure.

b. dizziness upon standing.

A 39-year-old male sustained a large laceration to his leg during an accident with a chainsaw and is experiencing signs and symptoms of shock. You should first: Select one: a. apply direct pressure to the wound. b. follow appropriate standard precautions. c. place the patient on high-flow oxygen. d. perform a rapid head-to-toe assessment.

b. follow appropriate standard precautions.

The ability of a person's cardiovascular system to compensate for blood loss is MOST related to: Select one: a. how fast his or her heart beats. b. how rapidly he or she bleeds. c. his or her baseline blood pressure. d. the part of the body injured.

b. how rapidly he or she bleeds.

A patient is bleeding severely from a severed femoral artery high in the groin region. Which of the following would MOST likely control the bleeding? Select one: a. Apply chemical ice packs to the wound and transport b. Position the patient with his injured side down c. Apply a topical hemostatic agent with direct pressure d. Apply a pelvic binder device to stabilize the pelvis

c. Apply a topical hemostatic agent with direct pressure

Which of the following organs can tolerate inadequate perfusion for 2 to 3 hours? Select one: a. Brain b. Kidneys c. Skeletal muscle d. Heart

c. Skeletal muscle

The systemic veins function by: Select one: a. returning oxygen-rich blood back to the left atrium. b. delivering deoxygenated blood to the capillaries. c. returning deoxygenated blood back to the heart. d. delivering oxygen-poor blood to the capillaries.

c. returning deoxygenated blood back to the heart.