When lifting weights on a leg press,muscle fiber to nerve ratio is approximately 1:1.
So answer is A.
QUESTION 60 When lifting weights on a leg press, the muscle fiber to nerve ratio is...
10) When a muscle fiber enters fatigue, which metabolite below typically does NOT significantly change in concentration? A) ATP B) P G Ca2+ D) Lactic acid E) K* 11) Which is the most accurate definition of a motor unit? A) The mimimum number of muscle fibers required to move a load B) The number of crossbridges formed in a given length of muscle fiber C) The number of muscles innervated by a single nerve D) One motor neuron and all...
Chapters 6-8: Muscle and Neuromuscular Junction 1 Myofibrils A Excitatory transmitter that excites muscle fiber membrane 2 Titin B Required to cause smooth muscle relaxation 3 Actin filaments C Thousands grouped together to form the muscle fiber 4 Tropomyosin D Nerve fiber sympase at muscle fiber 5 Sarcomere E Block active sites on actin filaments to block myosin attraction Acetylcholine F activates myosin cross-bridges in smooth muscle 7 Neuromuscular junction G Muscle sections between Z discs that individually contract 8...
What is the relevant tissue when Achilles' tendon is injured? A) Nerve tissue b) Muscle tissue C) connective tissue D) epithelia tissue
QUESTION 18 water. Skeletal muscle contains approximately – A. 20% B. 45% C. 60% D. 75% QUESTION 19 Which of the following is not related to a mechanical factor that affects the heart's ability to use oxygen? A heart rate B. coronary flow C. tension of the myocardium D.contractility
Which protein molecule covers and ides the bindingston the actin bert During contraction of muscle fiber sliding o montina sarcom makes the one become arger Which type of neurogalls are Tropomni-troponin O b. myosin blood-brain bar TRUE FALSE a Schance Odrocytes Select one TRUE FALSE the layer of connective Which of the following neuroga are NOT found in the CNS a Schools Olodendrocytes Astrocytes Endom b. Perimysium О с. Itemyum Weblink for Virtual Class meetings Collections of myelinated in the...
Check your understanding of muscle fiber recruitment by reading the following scenario and then answering the questions. Check your answers when you've finished. Scott is a swimmer on the university swim team. Before each competition, he spends some time walking around the pool area, getting psyched up for the event. He swings his arms a little shakes his legs, and just generally tries to loosen up. Soon he's in position on the starting block, waiting for the sound of the...
A manufacturer produces 25-pound lifting weights. The lowest actual weight is 24 pounds, and the highest is 26 pounds. Each weight is equally likely so the distribution of weights is uniform. A sample of 100 weights is taken. a. What is the distribution for the weights of one 25-pound lifting weight? What is the mean and standard deviation? b. What is the distribution for the mean weight of 100 25-pound lifting weights? c. Find the probability that the mean actual...
1. To determine if you "apple" or c. body mass index d. waist/hip ratio a. height/wrist ratio dve an "apple" or "pear" profileyou would use b, skin-fold test ь, skin-foldtes ratio a. physical activity , the areatest proportion of their energy expenditure is for c. basal metabolism d. body mass index b. thermic effect of food 3. The body is approximately 60% by weight a. fat b. bone c. muscle d. water 4. Aerobic exercise, like walking, is usually characterized...
lest. Exam 3 Time Remaining: 02:17:05 Submit Test This Question: 1 pt 19 of 60 (16 complete) ▼ This Test: 60 pts possibl The four-firm concentration ratio for newstands is 17 and for computer storage devices it is 63 The HtHl for newstands is 105 and for computer storage devices i is 2.982 The newstand marketan example of monopolistic competition. The computer storage market an example of monopolistic competition OA. is not; is O B. is; is not O C....
Evaluate the function f at the indicated value.
This Question: 1 pt 37 of 60 (33 complete) ? Evaluate the function f at the indicated value. 9x+1 if x<4 f-4) for f(x)x if 4sxs7 4-6x if x>7 OA. -16 O B. 37 O C. -35 O D. 28