Which of the following is NOT a criterion for having achieved VO2 max during a graded exercise test?
A. achieving 85% of maximal heart rate
B. leveling off of the VO2
C. respiratory exchange ratio >1.15
D. a blood lactate level of >8 m moles · liter-1
Answer: A
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Match the classes with their actions, indications and subcategories.
a. Decongestant b. Smoking-cessation aid c. Antitussive d. Expectorant e. Asthma prophylaxis 1. Increases secretions and reduces viscosity. 2. People who use one of these have twice the likelihood of staying “quit.” 3. Proventil 4. Prevent or decrease coughing 5. Adrenergics are used to constrict blood vessels in the respiratory tract.
Caloric intake could be balanced against output if ____ could be determined accurately.
A. recommended body weights B. metabolic rates C. setpoints D. food intakes E. daily energy requirements
Although alcohol is a central nervous system depressant, people often subjectively experience it as a stimulant, doing things that they wouldn't otherwise do, particularly at low dosages. This is because
a. alcoholisquitesimilarchemicallytoamphetamines. b. the effects of alcohol depend on the expectations of the user. c. alcohol is quite similar chemically to barbiturates. d. alcohol depresses areas in the brain responsible for critical judgment.
The insertion of the brachioradialis muscle is on the proximal end of the radius at the styloid process.
Answer the following statement true (T) or false (F)