which of the following is the best definition of a reflex course hero

Which reflex is an example of a monosynaptic reflex?

Jul 21, 2019 · Question 6 2.5 out of 2.5 points A reflex is best described as Selected Answer: d. unlearned and involuntary. Correct Answer: d. unlearned and involuntary.

What is the startle reflex?

View PSY100 Ch 8 Mindtap.docx from AA 1Ch 8 Mindtap - Which of the following is a reflex? o The knee-jerk reaction - Human reflexes are o Inflexible - Which of …

What is the persistence of the Moro reflex?

44. Which of the following is the correct definition of the tonic neck reflex. a. Following a loud noise or sudden drop in height, an infant extends its arms and legs and quickly brings them in b. An infant turns its head toward something touching its cheek c. When an infant is laid on its back, it turns its head to one side and extends the arm ...

How old do you have to be to have Moro reflex?

In nervous system physiology, the definition of a reflex is a _____. rapid, predictable, involuntary motor response to a stimulus. The patellar or knee-jerk reflex involves _____. stimulatory nerve impulses to the quadriceps and inhibitory impulses to the hamstrings.

What are the components of a reflex?

D. Given these components of a reflex: 1. association neuron. 2. skeletal muscle. 3. afferent neuron. 4. efferent neuron. 5. sensory receptor. Choose the sequence below that best represents the order followed in a reflex, from stimulus to response. A) 5, 4, 3, 2, 1.

Which neuron synapses with motor neurons?

C) involve sensory neurons that directly synapse with motor neurons in the spinal cord.

Is the knee jerk reflex monosynaptic?

C) The k nee-jerk reflex is an example of a monosynaptic reflex.

What reflex dilates the pupil when gently stroking the skin on the back of the subject's neck?

This reflex dilates the subject's pupil when gently stroking the skin on the back of the subject's neck. Autonomic reflex.

What level of the spinal cord is assessed by a reflex hammer?

Tap just below the knee with a reflex hammer. This response assesses the L2-L4 level of the spinal cord. Somatic reflex.

Why is the absence of this reflex an ominous sign?

Mediated through the trigeminal nerve. The absence of this reflex is an ominous sign because it often indicates brain damage. Subject's eye should blink when their cornea is touched by a foreign object. Somatic reflex.

Which neuron transmits afferent impulses to the CNS?

1) Receptor is the site of stimulus action. 2) Sensory neuron transmits afferent impulses to the CNS. 3) The integration center consists of one or more neurons in the CNS. 4) The motor neuron conducts efferent impulses from the integration center to the effector organ. 5) The effector, muscle fibers or glands, responds to efferent impulses characteristically.

When light rays pass from one medium to another, their velocity, or speed of transmission, changes, and the

When light rays pass from one medium to another, their velocity, or speed of transmission, changes, and the rays are bent. Thus the light rays in the visual field are bent as they encounter the cornea, lens, and vitreous humor of the eye.

How to test for near vision?

Medial eye movements, which is essential for near vision. Tested by holding a pen and moving towards and away from you. Your eyes will naturally keep it focused.