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Refractory period in the action potential of cardiac muscle cells. - ANS: -absolute refractory period of 250 ms -Prevents wave summation and tetanus which would stop the pumping action of the heart synovial fluid functions - ANS: -nourishes the articular cartilages -removes their wastes -makes movements at synovial joints almost friction-free pleural fluid function - ANS: -acts as a lubricant that enables the lungs to expand and contract with minimal friction pericardial fluid functi...

does the right atrium have oxygenated or deoxygenated blood? - ANS: deoxygenated oxygen is carried by _____ cells. It binds to proteins called _____ that contain iron. - ANS: erythrocytes; hemoglobin which element is responsible for immune function, clotting, and gas transfer? (in this particular order) - ANS: leukocytes; platelets; erythrocytes what are the major functions of blood? - ANS: - plays a role in immune function - temperature regulation - pH regulation - gas/nutrients/ w...

Where does the antibody bind to the antigen in type 3 response? - ANS: in blood or body fluids and then circulates to tissue Where does the antibody bind to the antigen in type 1, 2, and 4? - ANS: on cell surface Primary effector cell in type 3 - ANS: neutrophils example of type 3 reaction - ANS: serum sickness type 4 hypersensitivity reaction - ANS: cell-mediated response primary mediators of type 4 - ANS: lymphocytes and macrophages type 4 mediated by - ANS: T lymphocytes and...

The relay station in the brain that plays a major role in regulating micturition is: - ANS: Pontine micturition center. The location of the internal sphincter is under the urogenital diaphragm. - ANS: false (located in the bladder) When the bladder is empty, the detrusor muscle relaxes, and the internal and external sphincters constrict. - ANS: true The levator ani muscle plays a major role in constriction of the external sphincter. - ANS: true stress incontinence - ANS: leakage of u...

Which of the following is true regarding a complicated urinary tract infection? - ANS: Can be caused by a structural urinary tract disorder Which of the following is a risk factor for the development of a urinary tract infection (UTI)? - ANS: Pregnancy A symptom of a lower urinary tract infection includes: - ANS: urgency Women are at a higher risk for the development of a UTI because of having a shorter urethra. - ANS: true Which of the following can help to prevent a UTI? - ANS: Inc...

How does blood flow through the heart? – ANS: Deoxygenated venous blood → Sup. Vena Cava → Right Atrium →Tricuspid (AV) →Empties into R. Ventricle (& it contracts) → Blood ejected through Pulmonary Valve → Pulmonary Artery → Lungs to be Oxygenated → Pulmonary Veins → L. Atrium → Mitral (AV) → L. Ventricle (pumps with each contraction) → Aortic Valve → Aorta → Body What is systole? - ANS: Contraction of the heart which pumps blood Diastole - ANS: Relaxation o...

One of your production managers uses incentives to reward employees for meeting operational objectives. This is the best example of which of the following leadership styles? A. Charismatic leadership B. Transactional leadership C. Laissez-faire leadership D. Authoritarian leadership - Ans: B. Transactional leaders are characterized by a "this for that" style. These leaders use both rewards and discipline when necessary to accomplish organizational and departmental objectives. Consen...

Which of the following is an example of subjective data that may be collected during a health assessment? a. Height and weight b. A patient's recall of his or her past health conditions c. Results from an abdominal CT scan d. Complete blood count - ANS: b. A patient's recall of his or her past health conditions 1. Which of the following is true regarding the data taken in a health history? a. Most health history data are objective and measurable. b. Objective data are error-free, ...

The internal os is contained within what? a. The uterus b. The vagina c. The ovaries d. The clitoris - ANS: a. The uterus Nicotine can contribute to which of the following? a. Urinary problems b. Sexual dysfunction c. Allergic vaginitis d. Amenorrhea - ANS: a. Urinary problems Which of the following findings would indicate Nabothian cysts on a patient's cervix? a. Small, translucent, yellow nodules b. Columnar epithelium from endo-cervix is everted c. Bright red, soft protrus...

Of the following, which cranial nerves are only of motor type, not sensory? a. I, VII, and X b. IV, V, and VI c. III, XI, XII d. I, VIII, IX - ANS: c. III, XI, XII Which of the following often present with intermittent neurological deficit, vertigo, and weakness? a. Migraines b. Cluster headaches c. Transient ischemic attacks d. Tension headaches - ANS: c. Transient ischemic attacks 1. What kind of vertigo/loss of equilibrium also may include sensory disturbances? a. Vestibular ne...