NURSING EXAM QUESTIONS
HUMAN ANATOMY PHYSIOLOGY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Which class of lever is used to allow the body to stand on tip toes?
|
|
First Class
|
|
|
Second Class
|
|
|
Third Class
|
|
|
None of the above
|
Explanation:
Detailed explanation-1: -Standing on tip toes is a Class 2 lever. The pivot is at your toe joints and your foot acts as a lever arm.
Detailed explanation-2: -One of the most commonly used examples of second-class levers in human anatomy is the foot as we stand flat-footed, then elevate our heels.
Detailed explanation-3: -Second class lever In this, the fulcrum is at one end and the force applied (effort) is on the other end. The weight (load) is situated in the middle of these two. The order of this would be fulcrum-load-effort. The application of force at one end will result in some work done on the other end.
There is 1 question to complete.